chore(package): update coveralls to version 3.0.12

Closes #26

Author: greenkeeper[bot]

package.json

@@ -34,7 +34,7 @@
     "chai": "4.0.2",
     "condition-circle": "1.5.0",
     "conventional-commit-types": "2.1.0",
-    "coveralls": "2.13.1",
+    "coveralls": "3.0.12",
     "eslint": "4.1.1",
     "eslint-config-fullcube": "3.0.0",
     "husky": "0.14.1",